Circuit board assembly and plasma display apparatus including the same

Abstract

A circuit board assembly including: a circuit board; a plurality of circuit devices disposed on the circuit board; a plurality of heat sinks installed to contact with the circuit devices; and a support member connecting the adjacent heat sinks. The neighboring heat sinks have two facing surfaces, and the support member contacts at least a corner of one of the facing surfaces and at least a corner of the other one of the facing surfaces, so that the bending of the circuit board can be prevented.

1 . A circuit board assembly comprising:
 a circuit board;   a plurality of circuit devices disposed on the circuit board;   a plurality of heat sinks installed to contact with the circuit devices; and   a support member connecting the adjacent heat sinks,   wherein the neighboring heat sinks have facing surfaces, and the support member contact at least a corner of one of the facing surfaces and at least a corner of the other one of the facing surfaces.   
     
     
         2 . The circuit board assembly of  claim 1 , wherein the support member includes a recess formed on a side surface of the support member, so that side surfaces of the neighboring heat sinks are able to be inserted into the recess of the support member. 
     
     
         3 . The circuit board assembly of  claim 2 , wherein the recess of the support member is formed in parallel with the circuit board. 
     
     
         4 . The circuit board assembly of  claim 1 , wherein the support member is separated from the circuit board. 
     
     
         5 . The circuit board assembly of  claim 1 , wherein the support member contacts the circuit board. 
     
     
         6 . The circuit board assembly of  claim 1 , wherein the support member is formed as a plate. 
     
     
         7 . The circuit board assembly of  claim 6 , wherein the heat sink includes at least one hole on an end portion, and the support member includes at least one boss for coupling to the hole of the heat sink. 
     
     
         8 . The circuit board assembly of  claim 7 , wherein a part on a lower center portion of the boss is removed to facilitate detachable insertion to the hole of the heat sink. 
     
     
         9 . The circuit board assembly of  claim 1 , wherein the adjacent heat sinks include a first heat sink and a second heat sink, the first heat sink includes a first recess on a portion facing the second heat sink, the second heat sink includes a first protrusion on a portion facing the first heat sink, and the support member includes a second recess and a second protrusion on both sides so that the second protrusion of the support member correspondingly couples to the first recess of the first heat sink and the second recess of the support member correspondingly couples to the first protrusion of the second heat sink. 
     
     
         10 . The circuit board assembly of  claim 1 , wherein the heat sinks each contact with the circuit devices, respectively. 
     
     
         11 . The circuit board assembly of  claim 1 , wherein the support member includes a metal. 
     
     
         12 . The circuit board assembly of  claim 1 , wherein the support member is an elastic member. 
     
     
         13 . The circuit board assembly of  claim 12 , wherein the support member is formed of a material including an urethane resin, a polyurethane resin, an epoxy resin, or a synthetic rubber. 
     
     
         14 . A plasma display apparatus comprising:
 a plasma display panel;   a chassis base supporting the plasma display panel;   a circuit board disposed on a rear portion of the chassis base;   a plurality of circuit devices disposed on the circuit board and generating electric signals for driving the plasma display panel;   a plurality of heat sinks installed to contact with the circuit devices; and   a support member connecting the adjacent heat sinks,   wherein the neighboring heat sinks have facing surfaces, and the support member contact at least a corner of one of the facing surfaces of the neighbouring heat sinks and at least a corner of the other one of the facing surfaces of the neighbouring heat sinks.